CN2206274Y - Headframe lift with many kinds of automatic safety protective device - Google Patents

Abstract

The utility model relates to a headframe lift with multiple automatic safety protective devices, composed of a headframe and a hoister. In structure, an interlayer sluice gate safety device and a first layer sluice gate safety device are arranged on the headframe; a fourth rail break-proof safety device, a layer stopping and door opening interlocking device and a front gate safety device are arranged on a suspension cage; a top-prooof safety device is arranged on the hoister. The utility model has the advantages of reasonable safety device structure, high safety, high automatization, low cost, convenient operation and stable rise and fall, and the utility model can be used as the standard safety device of a headframe lift for vertical transport in construction.

Description

Headframe lift with many kinds of automatic safety protective device

The utility model relates to a kind of improvement of construction machine, is the working well cabinet frame of secure buildings elevator.

The safe construction of building engineering, it is the prerequisite that ensures construction progress and quality, because building construction hoist is arranged on outdoor use mostly, structurally the safety precaution facility is simple and crude, because of disconnected steel cable disastrous accident happens occasionally, can't ensure safety in production, existing building construction hoist does not also have fixedly specialized factory's production at home, thereby press for the safety protection equipment that improves elevator, so that satisfy the needs of vehicle for construction safe construction.

The purpose of this utility model provides a kind of well cabinet frame elevator with multiple automatic safe protective device simple in structure, safe and reliable, easy to use.

Narrate structural principle of the present utility model below in conjunction with accompanying drawing.

Fig. 1 is the utility model structural representation.

Fig. 2 is the safety device configuration diagram.

Fig. 3 is the anti-safety device configuration diagram of rushing to summit;

See Fig. 1, the utility model is by well cabinet frame (A), cage (B), winch (C), steel rope (44), suspension rod (7), guide rail (9), and establish attached inlet point protection canopy compositions such as (13), be characterized in: on cage (B), have four rail anti-break rope safety devices (D), stop layer open the door interlocking safety device (E) and early gate safety device (F), on well cabinet frame (A), has interlayer gate safety device (G), first floor gate safety device (H), on winch (C), has the anti-safety device (K) of rushing to summit, inlet point protection canopy (W) is to constitute by adding nylon wire on the steel framework body, and the scene is installed in the safety device on the well cabinet frame.Fig. 2 is the configuration diagram of multiple safety device; four rail anti-break rope safety devices include crossbeam (1) among the figure; press beam (2); boatswain chair (3); retaining pawl (4); laminated spring (5); press strip compositions such as (6); boatswain chair (3) is housed on the crossbeam (1); pressing beam (2) to be contained in above the crossbeam (1) also can move up and down in boatswain chair (3); laminated spring (5) is contained in presses beam (2) to go up and compress beam (2); in crossbeam (1) two ends down either side; two pairs of rotating eccentric retaining pawls (4) are housed; eccentric end top at retaining pawl (4); be equipped with and be cemented in the press strip (6) of pressing beam (2) both sides; guide rail (9) is totally four symmetric arrangement; make by channel-section steel; on the channel-section steel concave panel; every a certain altitude distance fixed bearing plate (10); end carriage (8) is cemented in crossbeam (1) two ends; end carriage (8) can flexibly connect with side plate (37); retaining pawl (4) is installed in the end carriage (8); during the elevator normal operation; steel rope tension suspension rod (7); press beam (2) upwards; when the disconnected suddenly rope of steel rope; press beam (2) to suppress down because of deadweight and laminated spring (5); move down rapidly; press strip (6) is pressed and is touched the eccentric end of retaining pawl (4); four retaining pawls (4) rotation perk is stretched in the Baltimore groove of guide rail (9) simultaneously, blocks bearing plate (10), has stoped the cage tenesmus and has played the breaking rope protecting effect.Stop the layer open the door the interlocking safety device include supporting plate (11), connecting rod (12), handle (13), gate (14) steel rope (15), pulley (16), weight compositions such as (17), supporting plate (11) can rotate with connecting rod (12), be contained in the below of retaining pawl (4), handle (13) one ends link connecting rod (12), the other end is positioned at the inboard of gate (14), gate (14) moves up and down all can collide handle (14), when rising to construction layer, cage stops to pass in and out material the time, gate (14) pull-up is opened the door, collision handle (14) upwards moves and makes connecting rod (12) drive supporting plate (11) rotation, holding up retaining pawl (14) stretches in the Baltimore groove of guide rail (9), block bearing plate (10), the supporting cage can not descend, and reaches the interlocking safety precaution purpose of opening the door, and gate (14) is depressed at closing time, collision handle (14), supporting plate (11) reverse turn is return, and retaining pawl (4) leaves guide rail (9) Baltimore groove because of the off-centre deadweight hangs, and cage can continue lifting.The early gate safety device includes early gate (18), card article (19), guide rod (20), block (21) composition, block (21) is packed on the well cabinet frame first floor horizon bar, early gate (18) can move up and down along guide rod (20), card article (19) is packed in the outside, lower end of early gate (18), when cage drops to the first floor, card article (19) is stuck on block (21) position, guide rod (20) is displaced downwardly to the first floor, early gate (18) is in guide rod (20) top, early gate (18) is opened, and material can pass in and out from cage.When cage rose, when leaving the first floor, card article (19) left block (21), and early gate (18) recovers to be in the below of guide rod (20), and early gate (18) is in closed condition.Interlayer gate safety device includes interlayer gate (22), guide rod (23), door pawl (24), rotating shaft (25), joist compositions such as (37), guide rod (23) is installed in the well cabinet frame vertical rod at feed inlet and outlet place between construction layer, interlayer gate (22) can move up and down along guide rod (23), door pawl (24) (25) around the shaft rotates, rotating shaft (25) is installed in the inboard of interlayer gate (22), and joist (37) is installed in the outside of cage side panel body (30).When the locational interlayer gate of construction layer (22) need be opened, by rotating shaft (25) door pawl (24) is lifted earlier and drawn together, when cage rose to construction layer, the joist on the cage (30) was held a pawl (24) and with interlayer gate (22) pull-up, is realized opening the door, material can pass in and out this construction layer, input and output material finishes, and cage descends, and interlayer gate (22) also falls to original position along guide rod (23), this construction layer feed inlet and outlet is lived on the hurdle, plays the safety precaution effect.First floor gate safety device includes first floor gate (26), depression bar (27), pulley (28), steel rope (29) are formed, first floor gate (26) is connected with depression bar (27) by steel rope (29), depression bar (27) is to be welded into the prolate square shape by the garden steel, be placed under the well cabinet frame first floor horizon bar, over against the position of cage chassis (31) underfooting side, when cage drops to the first floor, depress depression bar (27) thereby pull-up first floor gate (26) rising, gate is opened can input and output material.When cage rises, leave depression bar (27), first floor gate (26) is in closed condition because of the deadweight original position that falls back.

Fig. 3 is the anti-safety device configuration diagram of rushing to summit, the anti-safety device of rushing to summit includes screw mandrel (37), collision block (38), travel switch (39), housing (40), base plate (41) and plunging joint (42) are formed, screw mandrel (37) is connected with lifting drum axle (43) by plunging joint (42), the collision block (38) that is screw thread fit with screw mandrel (37) is contained on the screw mandrel (37), travel switch (39) is installed on the guide groove (U) of the base plate (41) that is equilibrated at screw mandrel (37), when cage rises, screw mandrel (37) rotates synchronously with lifting drum axle (43), screw thread collision block (38) moves along screw mandrel (37), and miles of relative movement and cage rise height are proportional.Rise height limits, then miles of relative movement is fixed, adjustment travel switch (39) contact is installed on the position of the mobile ultimate range of collision block (38) permission, when collision block (38) when miles of relative movement surmounts, will collide the contact that promotes travel switch (39), make the switch open circuit, cause power circuit to open circuit, the winch stall is also braked cage and is risen and to stop, and has reached the purpose that prevents that cage from rushing to summit.

Prevent cage drop material in order to reach, form the top protection device by top doorframe (32), grille guard (33), hinge (34), it can upwards be dug by hinge (34), is made of the guard rail of left and right side panel side panel (30) and grille guard (35).

The utility model has the advantages that and have six kinds of automatic safe protective devices and four kinds of protection mechanisms, make the safety facilities of well cabinet frame elevator more become complete, safety device is solid and reliable, degree of automation is high, the utility model is rational in infrastructure, standardization level is high, cost is low, comformability is good, easy to operate, lifting is steady, can be used as the standard security protective device of the well cabinet frame elevator that the building operation vertical transport uses.

Fig. 1 is the utility model structural representation, and wherein (a) is front view, (b) is that B is to view.

Fig. 2 is the utility model safety device structural representation, and wherein (a) is master map, (b) is lateral plan.

Fig. 3 is put the protection unit configuration diagram for putting the safety of rushing to summit.

Claims (7)

1, a kind of well cabinet frame elevator with multiple automatic safe protection dress system, include compositions such as well cabinet frame, cage, winch, it is characterized in that: in cage (B), have four rail anti-break rope safety devices (D), stop layer open the door interlocking safety device (E), early gate safety device (F), on the well cabinet frame, have interlayer gate safety device (G), first floor gate safety device (H), on winch, have the anti-safety device (K) of rushing to summit.

2, well cabinet frame elevator according to claim 1, it is characterized in that described four rail anti-break rope safety devices (D) include crossbeam (1), press beam (2), boatswain chair (3), retaining pawl (4), laminated spring (5), press strip compositions such as (6), be fixed with boatswain chair (3) on the crossbeam (1), pressing beam (2) to be contained in above the crossbeam (1) also can move up and down in boatswain chair (3), laminated spring (5) is contained in presses beam (2) to go up and compress beam (2), in crossbeam (1) two ends down either side, two pairs of rotating eccentric retaining pawls (4) are housed, in the eccentric end top of eccentric retaining pawl (4), be equipped with and be cemented in the press strip (6) of pressing beam (2) both sides.

3, well cabinet frame elevator according to claim 1, it is characterized in that described stop the layer open the door the interlocking safety device (E) include retaining pawl (4), supporting plate (11), connecting rod (12), handle (13), gate compositions such as (14), supporting plate (11) is contained in the below of retaining pawl (4), and can rotate with the rotation of connecting rod (12), handle (13) one ends link connecting rod (12), the other end is positioned at the inboard of gate (14), and gate (14) moves up and down all can collide handle (14).

4, well cabinet frame elevator according to claim 1, it is characterized in that described early gate safety device (F) includes early gate (18), card article (19), guide rod (20), block (21) composition, block (21) is packed on the well cabinet frame first floor horizon bar, early gate (18) can move up and down along guide rod (20), and card article (19) is packed in the outside, lower end of early gate (18).

5, well cabinet frame elevator according to claim 1, it is characterized in that described interlayer gate safety device (G) includes interlayer gate (22), guide rod (23), door pawl (24), rotating shaft (25), joist compositions such as (37), guide rod (23) is installed in the well cabinet frame vertical rod of importing and exporting the material place between construction layer, interlayer gate (22) can move up and down along guide rod (23), door pawl (24) (25) around the shaft rotates, rotating shaft (25) is installed in the inboard of interlayer gate (22), and joist (37) is installed in the outside of cage side panel body (30).

6, well cabinet frame elevator according to claim 1, it is characterized in that described first floor gate safety device (H) includes first floor gate (26), depression bar (27), pulley (28), steel rope (29) are formed, first floor gate (26) is connected with depression bar (27) by steel rope (29), depression bar (27) is to be welded into the prolate square shape by the garden steel, be placed under the well cabinet frame first floor horizon bar, over against the position of cage chassis (31) underfooting side.

7, well cabinet frame elevator according to claim 1, it is characterized in that the described anti-safety device (K) of rushing to summit includes screw mandrel (37), collision block (38), travel switch (39), housing (40), base plate (41) and plunging joint (42) and forms, screw mandrel (37) is connected with lifting drum axle (43) by plunging joint (42), the collision block (38) that is screw thread fit with screw mandrel (37) is contained on the screw mandrel (37), and travel switch (39) is installed on the guide groove (U) of the base plate (41) that is equilibrated at screw mandrel (37).